Hackers are likely starting to exploit CVE-2025-49113, a critical vulnerability in the widely used Roundcube open-source webmail application that allows remote execution. The security issue has been ...

Open source webmail provider Roundcube was patched against a vulnerability that could be trivially exploited to run code on servers or access email accounts. Open source webmail provider Roundcube has ...

The Winter Vivern Russian hacking group has been exploiting a Roundcube Webmail zero-day in attacks targeting European government entities and think tanks since at least October 11. The Roundcube ...

A malware group has been busy creating a dangerous new vulnerability in the Roundcube webmail service, which is popular in European government circles. What makes this issue so important is that is a ...

Roundcube is an open-source application for managing email through a Web interface. It runs on Web servers that support the PHP server-side scripting language. Roundcube may be a good choice for your ...

ESET Research has discovered a significant cybersecurity threat as the Winter Vivern group exploited a zero-day cross-site scripting (XSS) vulnerability in the Roundcube Webmail server. The new ...

Jesus Vigo reviews the steps necessary to add a front-end webmail application using Roundcube that's hosted on OS X Server. In a previous article, I covered the steps on how to setup and configure the ...

New Cyberattack From Winter Vivern Exploits a Zero-Day Vulnerability in Roundcube Webmail Your email has been sent After reading the technical details about this zero-day that targeted governmental ...

Winter Vivern, believed to be a Belarus-aligned hacker, attacked European government entities and a think tank starting on Oct. 11, according to an Ars Technica report Wednesday. ESET Research ...

Open-source webmail project Roundcube has merged its operations with open-source file syncing and sharing software company Nextcloud after the founder of the mail project decided he wanted out. Thomas ...

ESET researchers have revealed that the Winter Vivern Russian hacking group has exploited a zero-day vulnerability in Roundcube Webmail, targeting various European government entities and think tanks.

ESET Research has been closely tracking the cyberespionage operations of Winter Vivern for more than a year and, during our routine monitoring, we found that the group began exploiting a zero-day XSS ...